We bought this tool from Shars to allow use to hole the jaws in proper position the cut the proper diameter in the jaws for the bolt.
Once set up the bolts were turned and we were off performing op 1 on the bolts.
The first op turned the minor diameter of the […]
This post is about making the pivot button for the bolt hold open device for the AR-180B.
With no engineered drawings to work from the first item of business to take care of was making a drawing of the part with all the dimensions. To do this we used micrometers, feeler gauges and an […]